OSA Delaying Diagnosis of Narcolepsy

OSA Delaying Diagnosis of Narcolepsy Narcolepsy is a disorder characterized by excessive daytime sleepiness, sleep paralysis, cataplexy, hypnopompic or hypna- gogic hallucinations. The possibility of narcolepsy in a patient may be overlooked owing to its low prevalence, symptomatol- ogy and coexistent disorders. Nevertheless, it can cause significant impairment in functioning of an individual. Obstructive sleep apnea is one of the disorders which can be comorbid with narcolepsy and result in delay in diagnosis. OSA also presents with excessive daytime symptoms and is easily considered as a differential diagnosis due to its higher prevalence. Residual symptoms even after correction of OSA can be due to various reasons. The possibility of a missed narcolepsy should be deliberated even in the absence of the classic tetrad. In this case report, we describe a young male who presented with exces- sive daytime sleepiness and was diagnosed of OSA initially. Persistence of symptoms warranted a re-evaluation and patient was eventually diagnosed as a case of narcolepsy, established by appropriate studies in the sleep laboratory. Keywords Obstructive sleep apnea · Narcolepsy without cataplexy · Excessive daytime sleepiness · Multiple sleep latency test 1 Introduction may lead to missing or delayed diagnosis of either of the disorders [5, 6]. Also the presumed low prevalence http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sleep and Vigilance Springer Journals

OSA Delaying Diagnosis of Narcolepsy

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Publisher
Springer Singapore
Copyright
Copyright © 2018 by Springer Nature Singapore Pte Ltd.
Subject
Biomedicine; Neurosciences; Neurology; Psychiatry; Medicine/Public Health, general
eISSN
2510-2265
D.O.I.
10.1007/s41782-018-0042-0
Publisher site
See Article on Publisher Site

Abstract

Narcolepsy is a disorder characterized by excessive daytime sleepiness, sleep paralysis, cataplexy, hypnopompic or hypna- gogic hallucinations. The possibility of narcolepsy in a patient may be overlooked owing to its low prevalence, symptomatol- ogy and coexistent disorders. Nevertheless, it can cause significant impairment in functioning of an individual. Obstructive sleep apnea is one of the disorders which can be comorbid with narcolepsy and result in delay in diagnosis. OSA also presents with excessive daytime symptoms and is easily considered as a differential diagnosis due to its higher prevalence. Residual symptoms even after correction of OSA can be due to various reasons. The possibility of a missed narcolepsy should be deliberated even in the absence of the classic tetrad. In this case report, we describe a young male who presented with exces- sive daytime sleepiness and was diagnosed of OSA initially. Persistence of symptoms warranted a re-evaluation and patient was eventually diagnosed as a case of narcolepsy, established by appropriate studies in the sleep laboratory. Keywords Obstructive sleep apnea · Narcolepsy without cataplexy · Excessive daytime sleepiness · Multiple sleep latency test 1 Introduction may lead to missing or delayed diagnosis of either of the disorders [5, 6]. Also the presumed low prevalence

Journal

Sleep and VigilanceSpringer Journals

Published: Jun 4, 2018

References

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